What to Do if You Miss a Dose of Prozac
Near fluoxetine
Please notation
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This folio volition requite you full general information well-nigh fluoxetine. It is not medical advice.
Always talk to your doctor virtually your situation and whether this medication is for y'all.
How fluoxetine works
Fluoxetine is a type of antidepressant called a selective serotonin reuptake inhibitor (SSRI).
Research suggests that low or depression mood is more likely to occur when the brain doesn't have enough serotonin.
Serotonin (also called '5HT') is a naturally-occurring chemical messenger (or "neurotransmitter") that has an of import role in areas of the encephalon that control mood and thinking.
Selective serotonin reuptake inhibitors (SSRIs) - like fluoxetine - are thought to work by increasing levels of serotonin in the encephalon. They do this by blocking the recycling of released serotonin back into the nerve endings.
Fluoxetine is ofttimes prescribed aslope a talking therapy.
Fluoxetine and everyday life
Oft asked questions
Antidepressants like fluoxetine tin commencement to work on low within the first two weeks of treatment, with the improvements standing over the following weeks,
For anxiety, antidepressants like fluoxetine tin take slightly longer to piece of work. For some people, anxiety briefly increases at the start of treatment, only the anxiety does decrease with connected handling.
Your weight tin be affected by fluoxetine.
A side issue of fluoxetine tin be not feeling as hungry as normal, which might lead to weight loss.
It is very difficult to know how this will touch on each person who takes it.
Talk to your doctor virtually this if it worries you.
Yous can experience drowsy in the kickoff few days of taking fluoxetine. Notwithstanding, it should get better afterwards the commencement week or ii. You may go more than anxious, or it may make you irritable. This should settle after a couple of weeks.
If you feel very sleepy, and you lot've been taking it for more than a calendar month, y'all should become back to the doctor and run into what else you could do.
Alcohol
You tin go on to drink some alcohol while taking fluoxetine, but information technology is best to exercise and then in moderation. Fluoxetine can sometimes cause drowsiness every bit a side effect, so information technology is possible that alcohol might make y'all experience more drowsy than usual.
Drinking alcohol every mean solar day, all the same, can make the symptoms of depression worse and you will non feel the benefit of your medicine.
Side effects might make yous sleepy or you might lose your focus when y'all beginning start taking fluoxetine.
This could be dangerous if you lot drive or use machines or do anything that needs a lot of focus.
During the first few days, it might be best to end drinking alcohol until you run across how the medicine affects you, or until the effects pass.
Street drugs
Be conscientious if you are also using street drugs.
Cannabis can have unpredictable furnishings when taken with fluoxetine, so cracking intendance is needed.
Cannabis and other drugs may have their own side effects on your mental wellness, like anxiety or psychosis. For more information, have a look at our drugs and alcohol page.
Methadone and fluoxetine together can seriously bear upon your heart so these should merely be combined under doctor supervision.
Fluoxetine has been shown to dampen down the 'high' of cocaine.
Taking fluoxetine with cocaine, ecstasy or amfetamines could bring on serotonin syndrome. You could get a high temperature/fever, agitation, confusion, trembling or weird muscle movements. You lot need to become to hospital if this happens. Tell the doctor everything that you take taken.
Fluoxetine can produce a false positive exam for amfetamines and LSD on a urine drug screen. Talk to your doctor about this if it is a problem for you.
Fluoxetine does not mix well with some other medicines and drugs.
Do not take fluoxetine if y'all accept an antidepressant medicine chosen a monoamine oxidase inhibitor (MAOI), or if you lot take taken 1 in the last two weeks. MAOIs include moclobemide, isocarboxazid, phenelzine and tranylcypromine.
Tell your doctor or pharmacist before you lot take fluoxetine if you are prescribed any other medication, to bank check that the combination is safe.
Before you start taking fluoxetine, tell your doctor if you are taking any other medications, including things you have bought over the counter for common illnesses similar colds and flu or topical applications that you lot put on your peel.
Allow your chemist know if you have any food allergies or intolerances, and ever cheque with them if you're concerned about any of the ingredients in your medication.
Do not drive or ride a bike only afterwards you get-go taking fluoxetine.
Taking fluoxetine may affect your ability to do things like drive a car, ride a cycle, use machines, or anything else that needs a lot of focus.
Information technology might be best to stop doing these things for the first few days, until yous know how it affects y'all, or until the furnishings pass.
Practise not worry - most people drive equally normal while taking fluoxetine.
Pregnancy
If you become pregnant while y'all are on fluoxetine, you should bear on taking the medicine and go dorsum to your doctor every bit shortly as possible, to see if you should modify or stop your medicine.
At that place is a slightly higher risk of issues in the developing infant if you accept fluoxetine it in the early stages of pregnancy. Withal, fluoxetine and related antidepressants (known as SSRIs) are thought to be better choices if you need antidepressant medicine.
Remember that y'all demand to stay well through your pregnancy, and you may need a medicine to help yous to exercise that.
Fluoxetine may crusade eye problems in the developing babe, and other symptoms in new-born babies.
If you and your dr. agree that you will continue taking fluoxetine during your pregnancy, then y'all should tell your midwife that you lot are taking it before yous give nativity.
Post-natal
If fluoxetine is taken in the last five months of a pregnancy, information technology can cause a serious status called persistent pulmonary hypertension of the new-born (PPHN). This tin can make the baby breathe faster and wait a bit bluish in colour. PPHN affects around iii in one,000 babies built-in to mums who take SSRIs. This compares with a rate of two in ane,000 among babies built-in to mums who do not accept SSRIs.
PPHN appears in the first 24 hours later on birth. Yous will need aid from the midwife and doctors, so it is better if they are looking out for symptoms.
The newborn baby may likewise develop withdrawal effects, which might not appear straight away only might develop over the first few days of life. These could include:
- existence irritable and crying a lot
- having difficulty sleeping or sucking
- poor weight proceeds
Breastfeeding
Fluoxetine is passed to the baby in breast milk, and side effects have been seen in breastfed babies. The main one is likely to be colic.
The amount of fluoxetine in breast milk is usually effectually 7% of the mum's dose, but it can build up over time. This is considering fluoxetine is hard for your babe to become rid of. This does not mean breastfeeding volition be a trouble, just practise look out for side effects.
If your babe was premature or has health problems, then you may be better off non breastfeeding as your baby volition likely struggle even more than to get rid of the fluoxetine.
Talk to your physician or midwife near your feeding options.
Sexual practice
Fluoxetine can have side effects that might touch on your sex activity life. These include:
- painful erections that last for a long time (this is rare only serious - visit a hospital or see your doctor directly away if you experience this side effect), or issues getting an erection (getting hard) and ejaculating (coming)
- haemorrhage from the vagina
- difficulty reaching orgasm the same way as before
- some growth of the breasts and some milk menses, regardless of gender
- you may have a lower sex drive
Fluoxetine has been known to deadening growth and filibuster sexual evolution (puberty) in a small number of children and young people. Your medico should bank check your growth while you are taking it. If this worries you, talk to your physician or pharmacist nearly it.
These effects should pass afterwards the outset couple of weeks. If they practice non, and this is a trouble for y'all, go back to the doctor and see what else you could try.
The adept effects of fluoxetine may, afterwards a while, accept a positive touch on your sex activity life as your mood lifts and you get interested in life and relationships over again.
Fertility
Fluoxetine does not seem to affect human fertility.
Talk to your doc about your fluoxetine if you are trying to get pregnant.
Fluoxetine is not a banned substance in sport.
Taking fluoxetine may affect your ability to exercise things similar riding a bike, competitive gymnastics, or annihilation else that needs a lot of focus.
It might be best to stop such sports for the starting time few days, until you know how information technology affects you or the furnishings go better.
Do non worry - most people play sports every bit normal while taking fluoxetine.
Try not to take fluoxetine for the start fourth dimension just before your exams.
Taking fluoxetine may bear on your ability to do things that need a lot of focus, similar exams.
You lot should talk to your doctor about any future exams if you lot are starting fluoxetine.
Y'all might decide together to delay starting it until you lot have done them. If they are more than than a month away, notwithstanding, you might discover that information technology is better to start fluoxetine to lift your mood and better your motivation to study.
Do not worry - nigh people practice exams every bit normal while taking fluoxetine.
Uses, warnings, condom and side effects of fluoxetine
Taking fluoxetine
How long volition I demand to accept fluoxetine for?
Most people take fluoxetine for at least six to 12 months subsequently they commencement to feel improve.
If y'all have suffered from depression in the by, you should go along taking this medication for at to the lowest degree two years after yous get-go to experience better.
Y'all and your doctor should talk about how long you need to accept fluoxetine before you lot begin your treatment.
If you stop taking the fluoxetine too soon, the chance that your mental health symptoms will come back increases.
You should merely accept fluoxetine every bit agreed with your physician
You will get the best result from fluoxetine if you take it every day at the dose prescribed by your medico.
Your dr. might showtime y'all on a low dose and so increase information technology to your total dose slowly over two to four weeks.
Make sure that you know your dose. If it'southward not written on the label, check with your chemist or medico.
Young people aged eight to 18 may first taking fluoxetine at a lower dose using the liquid, and so move on to the capsules if the dose increases.
It is normally all-time to take fluoxetine in the forenoon. This is to reduce the chance of it causing indisposition (difficulty sleeping). However, it is important to cull a time each 24-hour interval that you tin can always remember. This could be when you wake up, a mealtime, or when you brush your teeth.
Fluoxetine is best taken after food.
Eat the capsule with a drink of water - if you chew it, it tastes bitter.
What should I do if I miss a dose of fluoxetine?
If you lot recollect later during the day, have it equally before long as possible.
Yous may find information technology difficult to sleep if y'all take it towards bedtime.
If you forget to take information technology by the fourth dimension of your next dose, just have the next dose.
Exercise not take a double dose.
What will happen if I forget to accept my fluoxetine?
If you forget to accept information technology for a few days, you may start getting withdrawal symptoms and should talk to your doctor about it.
Stopping the employ of fluoxetine
Stopping fluoxetine suddenly can sometimes cause side furnishings, which are normally balmy, merely for a few people tin be severe. Also, if y'all stop taking fluoxetine too soon, the chance that your mental health symptoms will come up dorsum increases.
In one case you lot offset taking an SSRI, the brain adjusts to having a new level of serotonin around. If you stop taking the SSRI suddenly, the residuum starts to change again. You lot could get some symptoms from the alter.
Fluoxetine is less likely to crusade withdrawal effects upon stopping than other antidepressant medicines. This is because your torso takes longer to go rid of it.
You can stop taking fluoxetine safely with your doctor's help. Many people who take 20mg or less of fluoxetine tin can stop taking it without problems. For people on higher doses of fluoxetine, the dose may be stepped down over a few weeks to reduce the chance of withdrawal effects.
Fluoxetine and other antidepressants are non addictive. Although there can exist withdrawal effects when they are stopped, yous will not take cravings for or get 'hooked' on an antidepressant.
Some of the withdrawal effects you might become when fluoxetine is stopped include:
- flu-like symptoms such as chills, muscle aches, excessive sweating, headache, and feeling or being sick
- feeling unusually tired or weak
- slumber disturbances such as difficulty sleeping or vivid dreams
- electric daze-like sensations - peculiarly down the spine (back)
- dizziness, particularly when moving
- feeling anxious, restless, irritable, or agitated
- difficulty remembering things or concentrating on things
These symptoms should stop later two weeks for almost people, but some people can become them for a few months.
Warnings and safety
Safety headlines
If you take taken more fluoxetine than the dosage recommended by the doc who prescribed it to you, you lot must get medical help immediately –fifty-fifty if you exercise non feel any unlike.
While taking fluoxetine, some people may recollect nigh hurting themselves or taking their ain lives. You must go straight to hospital with your medicine if you lot have any of these thoughts.
Fluoxetine can also cause rare but serious side effects: allergic reactions (difficulty breathing, swelling of your face or throat, itching skin lumps), rashes or blotches on your skin, and a rare condition called serotonin syndrome (see 'Side Furnishings'). Go to a hospital with your medicine if you get whatsoever of these symptoms.
Do not have fluoxetine if you have taken a monoamine oxidase inhibitor antidepressant (MAOI) like moclobemide, phenelzine, isocarboxazid or tranylcypromine in the last xiv days.
Stopping fluoxetine suddenly can sometimes cause withdrawal effects, which are unremarkably mild, only for a few people tin be astringent. As well, if you lot stop taking fluoxetine too presently, the chance that your mental health symptoms will come up back increases. See your physician if y'all desire to terminate fluoxetine or have withdrawal furnishings after stopping it.
You might not exist able to concentrate very well, and may feel sleepy, in the first few days after taking fluoxetine. Do not drive a car, ride a bike or operate machines until you lot see how this affects you.
If you are pregnant, or thinking of becoming pregnant, please read the pregnancy department (see 'Side Effects') considering fluoxetine may touch on the developing baby.
When to become to the hospital
If you have taken more fluoxetine than the dosage recommended by the doctor who prescribed it to yous, you must get medical help immediately –even if you do not experience any different.
Go to A&East. Take your medicine with you to testify to the doctors. Tell them how much you have taken. Get a friend or family member to go with you, if you can, simply in instance you feel sick on the manner.
You might get whatever of the post-obit signs:
- feeling sick or existence ill
- having seizures (fits)
- an irregular heartbeat or a heart assail
- animate difficulties
- a change in the way yous feel, ranging from agitation to falling into a blackout
You are also at gamble of getting 'serotonin syndrome' (symptoms include a high fever, agitation, confusion, trembling, shivering and excessive sweating or weird movements of your muscles). This is rare, simply you should lookout man out for information technology.
If you have whatever thoughts of taking your own life or of other ways of hurting yourself, go straight to a hospital with your medicine. This may be a side result and is more common at the first of treatment. Thoughts of suicide are more than likely to occur if you are under 25 years quondam. Fluoxetine is safer than other antidepressants for people under the age of 18.
You must stop taking Fluoxetine and get directly to hospital if you have whatsoever of the following symptoms:
- tiredness, confusion, headache, irritability, feeling or being sick (nausea and airsickness), and muscle twitching. These can be symptoms of a low claret level of sodium, but some of these are besides symptoms of serotonin syndrome
- rashes; blotches; itching; baking; redness; peeling; or ulcers on your pare, in your mouth, or in your genital surface area. These can be symptoms of a rare but serious skin reaction
- difficulty breathing, swelling of your confront or throat, and itching skin lumps. These may be symptoms of an allergic reaction
- having seizures (fits)
- feeling very excited or 'loftier'
Go to a dr. or infirmary straight away but do not stop taking your fluoxetine if you get the following symptoms:
- your behaviour changes because you feel irritated or agitated
- you become an erection that is painful and lasts for a long time (priapism)
Side furnishings of fluoxetine
Side effects of fluoxetine
Please practise not exist worried by the side effects listed on this page. Many people have fluoxetine without any side furnishings or only a few mild side effects. Starting with a lower dose can sometimes help if side effects practise occur.
Side furnishings that practise appear should disappear or get ameliorate subsequently a few days. If they practise not, you should go back to your doctor.
Practise not stop taking the fluoxetine until you talk to your doctor, or you lot may get withdrawal symptoms equally well.
Very common side effects when taking fluoxetine (affecting more than than one in ten people) include:
- indisposition (slumber problems)
- headache and feeling tired
- diarrhoea (loose poo)
- nausea (feeling ill)
Mutual side effects of taking fluoxetine (affecting upwards to one in ten people) include:
- non feeling hungry
- weight loss
- nervousness, anxiety, restlessness, poor concentration, feeling tense
- decreased sex drive or sexual problems, including difficulty maintaining an erection (staying hard)
- sleep problems, unusual dreams, tiredness or sleepiness
- dizziness
- change in taste, or dry out mouth
- uncontrollable shaking movements
- blurred vision
- heartbeat feels quick and uneven
- flushing, sweating more, feeling shaky or chills
- yawning
- indigestion, existence ill
- rash, itching lumps (hives, urticaria), other pare itching
- joint pain
- needing to wee more ofttimes
- unexplained vaginal bleeding
There are other side effects that you tin get when taking this medicine – we have but included the most common ones here.
Please expect at the leaflet inside your medicine box, or enquire a doctor or pharmacist, if you want to know whether you are getting a side outcome from your medicine.
If yous do get a side upshot, please recall about reporting it via the Xanthous Card Scheme.
Nigh this information
The information on this page was reviewed by the College of Mental Health Chemist's in March 2020.
CMHP. College of Mental Health Pharmacy
More information and communication
Source: https://www.youngminds.org.uk/young-person/medications/fluoxetine/
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