Insomnal is a sleep aid that is used to relieve occasional nighttime sleeplessness when you have difficulty falling asleep. The active ingredient is diphenhydramine, which works by causing sedation. Insomnal should not be used for more than a few consecutive nights at a time.

Dosage/Directions for use

Adults and children 12 years of age and older: One caplet at bedtime if needed, or as directed by a physician. Insomnal is for occasional use only. Do not exceed the recommended dose except on the advice of a physician.


Children under 12 years of age should not take this medicine unless directed by a physician.

Some people may experience persisting drowsiness with a 50 mg dose. If this is the case, consult your pharmacist for a lower dosage.

If you experience sleeplessness continuously for more than 2 weeks, consult your physician.

People with narrow-angle glaucoma, enlarged prostate, stomach or intestinal obstruction, peptic ulcer, difficulty urinating, and people with a history of breathing problems (such as asthma, emphysema, or bronchitis), hyperthyroidism, cardiovascular disease, or high blood pressure, should consult a physician or pharmacist before taking this medicine.

This medicine can interact with other medicines. Inform your doctor or pharmacist of any other medicines you are taking.

Pregnant and breast-feeding women should consult their doctor before taking Insomnal.


Each caplet contains 50 mg of diphenhydramine hydrochloride.


Store between 15-30°C. Keep out of the reach and sight of children.