Keep your regular appointments with your doctor. This is so your doctor can check on your progress.
Amitriptyline may make you feel sleepy. If this happens, do not drive and do not use tools or machines. Do not drink alcohol.
Tell your doctor if you experience any troublesome side-effects.
|Type of medicine||A tricyclic antidepressant|
|Also called (USA)||Elavil®|
|Available as||Tablets and oral liquid medicine|
Amitriptyline belongs to a group of medicines known as tricyclic antidepressants. It has been traditionally prescribed for the treatment of depression, although it is rarely used for this nowadays as other medicines are usually prescribed in preference to it.
Although amitriptyline is only licensed for use in depression, it is commonly prescribed 'off-licence' to help ease certain types of nerve pain, and also to help prevent migraines. Current medical practice supports the use of amitriptyline for these reasons, but if you have any questions about your treatment, it is important that you ask your doctor.
Before taking amitriptyline
Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking amitriptyline it is important that your doctor knows:
- If you are pregnant or breast-feeding.
- If you have an overactive thyroid gland.
- If you have a problem with the way your liver works.
- If you have epilepsy.
- If you have high blood sugar levels (diabetes mellitus).
- If you have had problems with constipation.
- If you have any difficulties passing urine, or if you have had prostate trouble.
- If you have a heart disorder or blood vessel disease.
- If you have ever had a mental health problem (in particular, bipolar disorder or psychosis).
- If you have increased pressure in your eyes, a condition called glaucoma.
- If you have been told you have a tumour on your adrenal gland, called phaeochromocytoma.
- If you have a rare inherited blood disorder called porphyria.
- If you are taking other medicines, including those available to buy without a prescription, as well as herbal and complementary medicines. This is especially important if you have recently taken a medicine for depression, known as a monoamine-oxidase inhibitor (MAOI).
- If you have ever had an allergic reaction to a medicine.
How to take amitriptyline
- Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about amitriptyline and will provide you with a full list of the side-effects which you may experience from taking it.
- Take amitriptyline exactly as your doctor tells you to. It is usually prescribed as a single dose to be taken at bedtime, although your dose may differ from this. The directions for taking it will be printed on the label of the pack to remind you what the doctor has said to you. If you have any questions about what dose to take, ask your pharmacist for advice.
- Your doctor is likely to prescribe you a small dose when you first start taking it, and then increase your dose gradually as your body gets used to it.
- Many people find if helps to swallow the tablets with a drink of water. You can take amitriptyline before or after food.
- If you forget to take a dose, take one as soon as you remember. If when you remember, it is nearly time for your next dose then take your next dose when it is due but leave out the missed dose. Do not take two doses at the same time to make up for a forgotten dose.
Getting the most from your treatment
- Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress.
- If you are taking amitriptyline for depression, you may feel that it is not working for you straightaway. It can take a week or two for the effect to build up, and 4-6 weeks before you feel the full benefit. It is important that you do not stop taking it thinking it is not helping. Also, while you feel depressed, you may have distressing thoughts, and think about harming yourself or ending your life. If this happens, it is very important that you tell your doctor about it straightaway. There are several types of antidepressants - each type works in a slightly different way and can have different side-effects. If you find that amitriptyline does not suit you, then let your doctor know, as another antidepressant may be found that does.
- Your doctor will recommend that you do not drink alcohol while you are on amitriptyline. This is because alcohol increases the risk that you will experience side-effects.
- Some people who take amitriptyline find that their skin becomes more sensitive to sunlight than usual. Try to avoid strong sunlight until you know how your skin reacts, or use a sun cream with a high sun protection factor. Do not use sunbeds.
- If you buy any medicines, check with a pharmacist that they are suitable for you to take. This is because a number of medicines can increase the risk of side-effects from amitriptyline, including some strong painkillers, flu remedies and antihistamines which can be bought from pharmacies.
- If you have diabetes you may need to check your blood glucose more frequently. This is because amitriptyline can alter the levels of sugar in your blood. Your doctor will advise you about this.
- If you are due to have any medical treatment, tell the person carrying out the treatment that you are taking amitriptyline as it can interfere with some anaesthetics.
- Continue to take amitriptyline unless your doctor tells you otherwise. Stopping treatment suddenly can sometimes cause problems and your doctor may want you to reduce your dose gradually when this becomes necessary.
Can amitriptyline cause problems?
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with amitriptyline. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
|Common amitriptyline side-effects||What can I do if I experience this?|
|Dry mouth||Try chewing sugar-free gum or sucking sugar-free sweets|
|Constipation||Try to eat a well-balanced diet containing plenty of fibre and drink plenty of water each day|
|Feeling sleepy, blurred vision||Do not drive and do not use tools or machines until you feel better. Do not drink alcohol|
|Feeling dizzy or light-headed when getting up||Getting up more slowly may help. If you begin to feel faint, sit down and wait until the feeling passes|
|Feeling sick, diarrhoea, stomach pain||Stick to simple meals - avoid rich or spicy foods. Drink plenty of water to replace lost fluids|
|Other side-effects include feeling anxious or confused, sleeping problems, problems passing urine, tingling feelings, breast tenderness, problems when having sex, changes in appetite and weight, changes in the way things taste, ringing noise in the ears, itchy skin rash, hair loss, increased sweating, changes in heart rate or rhythm||If any of these become troublesome, speak with your doctor for advice|
If you experience any other symptoms which you think may be due to amitriptyline, speak with your doctor or pharmacist for further advice.
How to store amitriptyline
- Keep all medicines out of the reach and sight of children.
- Store in a cool, dry place, away from direct heat and light.
Important information about all medicines
Never take more than the prescribed dose. Tricyclic antidepressants can be dangerous in overdose. If you suspect that you or someone else might have taken an overdose, go to the accident and emergency department of your local hospital at once. Take the container with you, even if it is empty.
This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.
Do not keep out-of-date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.
If you have any questions about this medicine ask your pharmacist.
Further reading and references
Manufacturer's PIL, Amitriptyline Tablets 10 mg, 25 mg, 50 mg; Actavis UK Ltd (a subsidiary of Accord Healthcare Ltd), The electronic Medicines Compendium. Dated May 2017.
British National Formulary 74th Edition (Sep 2017); British Medical Association and Royal Pharmaceutical Society of Great Britain, London.
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Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. Patient Platform Limited has used all reasonable care in compiling the information but make no warranty as to its accuracy. Consult a doctor or other health care professional for diagnosis and treatment of medical conditions. For details see our conditions.