Selective toxicity antihistamines

The heparinoids have actions as antihistamines. Selected cases of acute hay fever and asthma were helped by intravenous heparin, particularly for the acute attacks. Sufficient clinical improvement was observed to warrant further studies that heparin may provide protection against endogenous histamine. The combination of basic antibiotic and heparin is valuable , possibly due to reduction of toxicity of the antibiotic. While heparin has no effect on the action of histamine on the cat blood pressure, it suppresses histamine-induced gastric acid secretion in Heidenhain pouch dogs - . Chondroitin sulphate reduces the number of gastric ulcers in the Shay rat but polyethylene sulphonates of molecular weights between 15,000 and... 

Antidepressants selective serotonin reuptake inhibitors, tricyclic antidepressants Antihypertensives felodipine Antibiotics quinolones, isoniazid Bronchodilators albuterol, theophylline Corticosteroids prednisone Dopa agonists levodopa Herbals ma huang, ginseng, ephedra Nonsteroidal anti-inflammatory drugs ibuprofen Stimulants amphetamines, methylphenidate, caffeine, cocaine Sympathomimetics pseudoephedrine Thyroid hormones levothyroxine Toxicity anticholinergics, antihistamines, digoxin Withdrawal alcohol, sedatives... 

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