Which antihistamine causes the most dry mouth?

Antihistamines used for allergies and asthma also cause dry mouth. Atarax and Vistaril (hydroxyzine hydrochloride), Clarinex (desloratadine), Xyzal (levocetirizine), Allegra (fexofenadine), Benadryl (diphenhydramine), Claritin (loratadine) and Zyrtec (cetirizine) can all leave you with a dry mouth.

Why do antihistamines cause dry mouth?

One of the common side effects of antihistamine medicines is xerostomia (dry mouth). The current consensus is that antihistamine-induced xerostomia comes from an antimuscarinic effect.

What are the side effects of taking antihistamines daily?

Are there side effects from taking antihistamines daily?

• Drowsiness.
• Constipation.
• Urinary retention.
• Dry mouth.
• Increased appetite.
• Weight gain.
• Worsen glaucoma.
• Rapid heart rate.

Which antihistamine is less drying?

Antihistamines- More likely to cause dry eye: Diphenhydramine (Benadryl), loratadine (Claritin) Less likely to cause Dry Eye: Cetirizine (Zyrtec), Desloratadine (Clarinex) and Fexofenadine (Allegra). Many OTC decongestants and cold remedies also contain antihistamines and can cause Dry Eye.

Can antihistamines cause dry throat?

Antihistamines may cause dryness of the mouth, nose, and throat. Some antihistamines are more likely to cause dryness of the mouth than others . For temporary relief of mouth dryness, use sugarless candy or gum, melt bits of ice in your mouth, or use a saliva substitute.

Can antihistamines cause thirst?

A dry mouth or excessive thirst can sometimes be a side effect of certain types of medication, such as antidepressants, antihistamines or diuretics (water tablets). These medicines can affect the salivary glands, leading to a reduction in the amount of saliva they produce.

When should you not take antihistamines?

closed angle glaucoma. high blood pressure. stenosing peptic ulcer. blockage of the urinary bladder.

What is the best medication for dry mouth?

Your health care provider may also prescribe Salagen, a drug that increases the natural production of saliva. Another prescription drug, Evoxac, is FDA-approved for the treatment of dry mouth in people with Sjögren’s syndrome, an autoimmune disease associated with dry eyes, dry mouth, dry skin, and muscle pain.

What medicines cause dry mouth?

Antihypertensive Drugs. Studies recommend medications used to treat hypertension like alpha blockers and beta blockers have side effects including dry mouth.

What meds cause dry mouth?

Antidepressants