Allernix Extra Strength




Allernix Extra Strength is an antihistamine, antiemetic and antispasmodic. The use of this medicine is recommended for the treatment of allergic diseases such as hay fever, urticaria, angioedema, contact dermatitis, atopic dermatitis, allergic rhinitis, pruritus, gastrointestinal allergies, physical allergies, allergic transfusion reactions, reactions to injection of contrast media, and reactions to therapeutic preparations. It is also recommended for postoperative nausea and vomiting, motion sickness and emotionally disturbed children.

Product Details

Pack Size

Bottle 100

Dosage/Directions for Use

Adults: 25 to 50 mg, 3 or 4 times a day.

Children 10 to 12 years old: 25 mg, 3 to 4 times a day or as prescribed.

When this medicine is used for motion sickness, it has to be administered 30 minutes before the event that may cause the motion sickness and preferably 1 or 2 hours before.

Important: These caplets are not recommended for children under 10.


Store between 15°C and 30°C.

Keep bottle tightly closed and protect from light.



Each 50 mg caplet contains: 50 mg of diphenhydramine hydrochloride USP.

Non-medicinal ingredients: Hydroxypropylcellulose, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium croscarmellose, sorbitol and titanium dioxide.

Gluten-, lactose-, paraben-, sulfite-, tartrazine- and sucrose-free.


This medicine cannot be used for a prolonged treatment and the recommended dose should not be exceeded except as directed by a physician.

When this medicine is administered to patients suffering from narrow-angle glaucoma, stenosing peptic ulcer, pyloroduodenal obstruction, asthma, symptomatic prostatic hypertrophy or bladder-neck obstruction, it has to be done with considerable caution. Not recommended for children with chronic lung disease or glaucoma.

Use in children: When there is an overdosage of antihistamines in infants and children, it may cause hallucinations and convulsions and it might also result in the death of the patient. In children, the mental alertness may be diminished by antihistamines and in young children they may cause excitation.

Geriatrics: In persons 60 years of age and older, drowsiness, dizziness, sedation and hypotension are more susceptible to be caused by antihistamines.

Pregnancy and lactation: In pregnancy and lactation, the safety for use has not been determined yet. Small quantities of antihistamines have been found in breast milk; the use of this medicine is therefore not recommended during lactation because very young children are more sensible to adverse effects of antihistamines such as excitement and irritability. Antihistamines also have the tendency to reduce the body secretions; it is therefore possible that the flow of breast milk would be reduced in some patients.

Occupational hazards: Patients should be cautioned not to operate vehicles or hazardous machinery until their response to the drug has been determined.


All information about raw materials and / or allergen information for Teva Canada’s products is obtained from our suppliers and/or third party affiliates and is based on their records.

Please be advised that the Medical Information department is not always notified of change in third party affiliates and / or change in suppliers of the excipients that may occur over time, and all information provided herein is based on our last current records.

"Latex" – refers to NATURAL RUBBER LATEX. We cannot guarantee that there is no latex in the outer packaging or that the medication or packaging haven’t come into contact with latex at any point during the manufacturing process, however this is very unlikely due to the strict GMP procedures that are in place in all of our manufacturing facilities. Employees in the manufacturing and / or packaging facilities may be wearing latex gloves