Furthermore, essentially the same proportion of patients reported no benefit from either type of treatment."-receptor and their ability to cross the blood-brain barrier.The most common adverse effect is sedation; this "side-effect" is utilized in many OTC sleeping-aid preparations.Though we are an online pharmacy, information contained on this web site is not intended to replace discussions with a healthcare professional such as your doctor or a pharmacist.Always read the label and all product packaging before use.All of our items are delivered in plain, sealed boxes or padded envelopes, with no advertising outside whatsoever.Favourites: Alli • Alpecin • Canesten • Curanail • Freederm • Glucosamine • Imodium • Infacol • Nicorette • Niquitin • Regaine • Zovirax • more... Unauthorised use of images and text contained within this site is prohibited.
Antihistamines are commonly used to treat the symptoms of allergies and reactions to bites and stings.
Compounds from this group are often used for motion sickness, vertigo, nausea, and vomiting.
The second-generation H receptors and cholinergic receptors.
Other common adverse effects in first-generation H-antihistamines include dizziness, tinnitus, blurred vision, euphoria, uncoordination, anxiety, increased appetite leading to weight gain, insomnia, tremor, nausea and vomiting, constipation, diarrhea, dry mouth, and dry cough.
Infrequent adverse effects include urinary retention, palpitations, hypotension, headache, hallucination, and psychosis.-receptors and have a better tolerability profile compared to the first-generation agents.
These agents also commonly have action at α-adrenergic receptors and/or 5-HT receptors.