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Tofranil Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Tofranil (imipramine hydrochloride) is used to treat symptoms of depression. It is a tricyclic antidepressant. This medication is available in generic form. Common side effects include dry mouth, blurred vision, headache, drowsiness, dizziness, constipation, nausea, vomiting, loss of appetite, diarrhea, stomach cramps, weight gain/loss, and increased sweating. You may have suicidal thoughts, especially if you are younger than 24 years old. Tell your doctor if this occurs.
For outpatient adults, the initial dose of Tofranil is 75 mg/day, increased to 150 mg/day. Dosages over 200 mg/day are not recommended. Dose may vary for adolescent, geriatric, childhood, or hospitalized patients. Tofranil may interact with SSRI antidepressants, cimetidine, clonidine, guanethidine, methylphenidate, or heart rhythm medications. Many other medications can interact with Tofranil. Tell your doctor all medications you use. Tofranil should be used only when prescribed during pregnancy. Infants born to mothers who have taken similar medications during pregnancy may have trouble urinating, prolonged sleepiness, shaking, and seizures. Consult your doctor. This medication passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.
Our Tofranil (imipramine hydrochloride) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Tofranil in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any new or worsening symptoms such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have any of these serious side effects:
- fast, pounding, or uneven heart rate;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
- sudden numbness or weakness, especially on one side of the body;
- sudden headache, confusion, problems with vision, speech, or balance;
- feeling short of breath, even with mild exertion;
- swelling, rapid weight gain;
- confusion, hallucinations, or seizure (convulsions);
- easy bruising or bleeding, unusual weakness;
- restless muscle movements in your eyes, tongue, jaw, or neck;
- urinating more or less than usual;
- extreme thirst with headache, nausea, vomiting, and weakness;
- skin rash, bruising, severe tingling, numbness, pain, or muscle weakness.
Less serious side effects may be more likely to occur, such as:
- nausea, vomiting, stomach pain, loss of appetite;
- constipation or diarrhea;
- dry mouth, unpleasant taste;
- weight changes;
- weakness, lack of coordination;
- feeling dizzy, drowsy, or tired;
- blurred vision, headache, ringing in your ears;
- breast swelling (in men or women); or
- decreased sex drive, impotence, or difficulty having an orgasm.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Tofranil (Imipramine) »
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Tofranil Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., confusion, depression, memory problems), enlarged/painful breasts, unusual breast milk production, irregular/painful menstrual periods, muscle stiffness, restlessness, ringing in the ears, sexual problems (e.g., decreased sexual ability, changes in desire), shakiness (tremors), numbness/tingling of the hands/feet, pain/redness/swelling of arms or legs, trouble urinating.
Tell your doctor immediately if any of these rare but very serious side effects occur: easy bruising/bleeding, signs of infection (e.g., fever, persistent sore throat), severe stomach/abdominal pain, dark urine, yellowing of eyes/skin.
This medication may increase serotonin and rarely cause a very serious condition called serotonin syndrome/toxicity. The risk increases if you are also taking other drugs that increase serotonin, so tell your doctor or pharmacist of all the drugs you take (see Drug Interactions section). Get medical help right away if you develop some of the following symptoms: fast heartbeat, hallucinations, loss of coordination, severe dizziness, severe nausea/vomiting/diarrhea, twitching muscles, unexplained fever, unusual agitation/restlessness.
Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, slow/fast/irregular heartbeat, fainting, seizures, slurred speech, weakness on one side of the body, vision changes.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Tofranil (Imipramine)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Tofranil FDA Prescribing Information: Side Effects
Note - Although the listing which follows includes a few adverse reactions which have not been reported with this specific drug, the pharmacological similarities among the tricyclic antidepressant drugs require that each of the reactions be considered when Tofranil (imipramine) is administered.
Psychiatric: Confusional states (especially in the elderly) with hallucinations, disorientation, delusions; anxiety, restlessness, agitation; insomnia and nightmares; hypomania; exacerbation of psychosis.
Anticholinergic: Dry mouth, and, rarely, associated sublingual adenitis; blurred vision, disturbances of accommodation, mydriasis; constipation, paralytic ileus; urinary retention, delayed micturition, dilation of the urinary tract.
Gastrointestinal: Nausea and vomiting, anorexia, epigastric distress, diarrhea; peculiar taste, stomatitis, abdominal cramps, black tongue.
Endocrine: Gynecomastia in the male; breast enlargement and galactorrhea in the female; increased or decreased libido, impotence; testicular swelling; elevation or depression of blood sugar levels; inappropriate antidiuretic hormone (ADH) secretion syndrome.
Other: Jaundice (simulating obstructive); altered liver function; weight gain or loss; perspiration; flushing; urinary frequency; drowsiness, dizziness, weakness and fatigue; headache; parotid swelling; alopecia; proneness to falling.
Withdrawal Symptoms: Though not indicative of addiction, abrupt cessation of treatment after prolonged therapy may produce nausea, headache, and malaise.
Note - In enuretic children treated with Tofranil (imipramine) the most common adverse reactions have been nervousness, sleep disorders, tiredness, and mild gastrointestinal disturbances. These usually disappear during continued drug administration or when dosage is decreased. Other reactions which have been reported include constipation, convulsions, anxiety, emotional instability, syncope, and collapse. All of the adverse effects reported with adult use should be considered.
Read the entire FDA prescribing information for Tofranil (Imipramine) »
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