What is Imipramine: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Imipramine overview

BRAND NAMES:

  • Tofranil

Generic Names:

  • Imipramine Hcl

Uses:

  • Treats depression. Also used to treat bedwetting in children. This medicine is a TCA.

Therapeutic Classes:

  • Antidepressant, Urinary Enuresis Agent

Forms:

  • Capsule, Tablet

How it’s taken:

  • By mouth

What is Imipramine used for?

Tofranil comes in tablet form and is used to treat symptoms of depression. It is also used to treat bed-wetting in children ages 6 and older. Tofranil works by affecting chemicals in the brain that may be unbalanced in people with depression. Common side effects may include a tingly feeling, weakness, lack of coordination, constipation, and diarrhea.

What form(s) does Imipramine come in

  • Capsule

  • Tablet

What are common Imipramine doses?

  • Tablet 10MG

  • Tablet 25MG

  • Tablet 50MG

Common Imipramine prescriptions

  • Imipramine HCl
    10mg tablet

  • Imipramine HCl
    25mg tablet

  • Imipramine HCl
    50mg tablet

How to take Imipramine

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you. It may take 2 to 3 weeks before you start to feel better.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you. It may take 2 to 3 weeks before you start to feel better.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

What to do if you miss a dose of Imipramine

Imipramine contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to imipramine or a similar medicine, or you had a recent heart attack.

Imipramine warnings

  • This medicine may raise or lower your blood sugar level.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney or liver disease, glaucoma, heart or blood vessel disease, heart rhythm problems, trouble urinating, thyroid problems, or a history of schizophrenia or seizures.

  • For some children, teenagers, and young adults, this medicine may increase mental or emotional problems. This may lead to thoughts of suicide and violence. Talk with your doctor right away if you have any thoughts or behavior changes that concern you. Tell your doctor if you or anyone in your family has a history of bipolar disorder or suicide attempts.

  • This medicine may cause a serious reaction called serotonin syndrome, which can be life-threatening.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Imipramine interactions

  • Do not use this medicine and an MAO inhibitor (MAOI) within 14 days of each other.

  • Some foods and medicines can affect how imipramine works. Tell your doctor if you are using any of the following: Buspirone, cimetidine, clonidine, epinephrine, fentanyl, guanethidine, lithium, methylphenidate, norepinephrine, St John's wort, tramadol, or tryptophan supplementsA triptan medicine to treat migraine headaches, medicine for heart rhythm problems (quinidine, flecainide, propafenone), medicine to lower blood pressure, medicine to treat seizures (phenobarbital, phenytoin), or a phenothiazine medicine (such as chlorpromazine, perphenazine, promethazine, prochlorperazine, thioridazine)

  • Tell your doctor if you are also using other medicine to treat depression, such as fluoxetine, paroxetine, or sertraline. You may need to wait at least 5 weeks before you begin using imipramine.

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

  • Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.

  • This medicine may raise or lower your blood sugar level.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Imipramine side effects

Serious Side Effects

  • Anxiety, restlessness, fever, sweating, muscle spasms, nausea, vomiting, diarrhea, seeing or hearing things that are not there

  • Fever, sore throat, cough, chills

  • Eye pain, vision changes, seeing halos around lights

  • Thoughts of hurting yourself or others, trouble sleeping, unusual behavior

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Agitation, irritability, sudden increase in energy, trouble sleeping

  • Fast, pounding, or uneven heartbeat

Less Serious Side Effects

  • Dry mouth, constipation

  • Tiredness

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