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Psoriasis rashes typically go through cyclical periods of flare-ups, which can last for weeks or months, the Mayo Clinic says. Other symptoms: In addition to the skin, psoriasis can sometimes also ...
Treatment is largely supportive and symptomatic. [6] It may consist of topical corticosteroids and oral antihistamines for cutaneous symptoms such as hives and itching. [6] Mild cutaneous reactions can be managed with antihistamines only. [6] However, antihistamines cannot antagonize activated histamine that has already been released from mast ...
Common side effects include headache, abdominal pain, diarrhea or constipation, and dizziness. [4] Serious side effects may include pneumonia and seizures. [4] [5] Use in pregnancy appears safe but has not been well studied, while use during breastfeeding is not recommended. [1] Famotidine was patented in 1979 and came into medical use in 1985. [6]
Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]
Symptoms are thought to be the result of histamine being released by mast cells on the surface of the skin. Despite the lack of antigens , histamine causes the skin to swell in affected areas. If the membrane that surrounds the mast cells is too weak, it will easily and rapidly break down under physical pressure, which then causes an allergic ...
When a stress rash manifests as hives, it looks like raised, itchy bumps on the skin that may be red or pink. Hives can be a collection of individual bumps or connected, making one large bump.