Top
10
Doctor insights on: Natural Anti Histamines

Share
1

1
Whats the best cure for allergic rhinitis? Aside from anti histamines that really makes me drowsy. Is there any natural way? Something like herbal?

Whats the best cure for allergic rhinitis? Aside from anti histamines that really makes me drowsy. Is there any natural way? Something like herbal?

Avoid allergen: If you can find out what you are allergic to (e.g. Animals, dust, grass) you can try to avoid and take local control measures. If not, you might try saline irrigations and then follow by an over the counter trial of local steroids such as flonase. Side effects can include nasal bleeding and dryness. Best to find out the allergies and see if there are specific treatments. ...Read more

See 1 more doctor answer

Histamine (Definition)

Histamine is an organic nitrogen compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. Histamine triggers the inflammatory response. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found ...Read more


2

2
How many anti histamines can you take daily?

How many anti histamines can you take daily?

Diphenhydramine: 300 mg/day from all sources, 50 mg in one dose q 6 hours, it is the most widely used OTC. Other OTC 2nd generation antihistamines as cetirizine , loratadine or fexofenadine have different dosing but can be taken once a day, and develop tolerance as with diphenhydramine with prolonged usage ...Read more

3

3
What are the common effective anti-histamines?

What are the common effective anti-histamines?

Anti-histamines: They can be h1-receptor antagonists such as Benadryl (diphenhydramine) or periactin or loratadine. Or, h2-receptor antagonists such as tagamet or ranitidine. Or, h3/h4 receptor antagonists (experimental) such as thioperamide. Or, atypical antihistamines such as catechin. Or, others such as cromolyn. ...Read more

4

4
What dosage does someone overdose on anti-histamines?

What dosage does someone overdose on anti-histamines?

Depending: ...On the antihistamine in Question, do not use more than the recommended doses on the package unless instructed by your physician ...Read more

6

6
If I'm super itchy, will anti-histamines work?

If I'm super itchy, will anti-histamines work?

Depends: Most itchy skin rash are not mediated by histamine and thus whether it would respond to histamine or not would depend on the mechanism causing it. There is no harm in trying antihistamine even up to 4x the usual dose. The sedating ones tend to work better on itching due to sedating effect. Consult your doctor if antihistamine does not work. ...Read more

7

7
Can you tell me how anti-histamines make people drowsy ?

Can you tell me how anti-histamines make people drowsy ?

Yes: Histamine's action on the brain's histamine receptors keeps you alert. When the antihistamine enters the brain , it counteracts this stimulatory effect thereby making you drowsy. Since the 2nd generation antihistamines do not enter the brain , they are not expected to cause drowsiness. ...Read more

See 1 more doctor answer
9

9
Is it dangerous to take anti-histamines for too long?

Is it dangerous to take anti-histamines for too long?

No: Antihistamines are safer medications, especially the newer ones, you can take it as long as needed. Generally they are safe. ...Read more

10

10
How well do anti-histamines typically work at treating allergies?

How well do anti-histamines typically work at treating allergies?

Good for mild allerg: Antihistamines work pretty well for mild, intermittent allergies, or as a second medication in patients with more severe disease. For persistent symptoms that require daily medications, then nasal steroid sprays are superior. ...Read more

See 1 more doctor answer
Dr. Paul Carter
601 doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more