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Hifenac Dosage

Missed Dose

If some dosage of medication has been missing, take it as soon as you know. When it is time for the next dose, skip the missed dose and resume the daily cycle of doses. To compensate for the missing dose, do not take a double dose of medication.


Headache, nausea, vomiting, stomach pain, diarrhea, unconsciousness, excitement, coma, dizziness, low blood pressure, fits, and trouble breathing are the signs of Hifenac-P overdose. If you think you have taken too much of this drug, please immediately call your doctor or go to the nearest hospital. Taking a high-dose of Hifenac-P tablet can also result in serious liver damage.


Direct contact with heat, air and light may damage your medicines. Exposure to medicine may cause some harmful effects. The medicine must be kept in a safe place and out of children’s reach. Mainly the drug should be kept at room temperature between 68ºF and 77ºF (20ºC and 25ºC).

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Frequently Asked Questions:

Drinking alcohol while taking Hifenac tablets is not recommended as causes liver damage.

Hifenac tablet contradicted in the following conditions, such as -

Severe ulcer
gastrointestinal bleeding
Severe kidney and liver impairment

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