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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Welts On Chest And Arm?

sister has stage 4 breast cancer diagnosis 3 yrs. ago. Checkup every 3 months, it is under control with tiny spots on liver and lungs with continued every 3 wk of bone strengthener. The last 3 days she is waking up with welts on her chest and sometimes .arm. No new drugs, just had a checkup. Wanting to know what might be the cause of this??
Mon, 22 Jan 2018
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Oncologist,  's  Response
Hi

Welts on chest and arm may be caused by

Inhaled — Pollens, animal dander, molds

Injected — Insect stings or bites, especially bee stings, or injected medication

Ingested — Foods (tree nuts; fish and shellfish; dairy products; legumes, especially peanuts), food additives, medications such as penicillin or aspirin.

You can apply calamine lotion and/or take a nonprescription antihistamine medication, such as chlorpheniramine (Chlor-Trimeton), clemastine (Tavist) or diphenhydramine (Benadryl). It is critical to relieve the itching because scratching can stimulate more hives and itching.

If these medications are not effective, you may be given a prescription medication such as cyproheptadine (Periactin), azatadine (Optimine) or hydroxyzine (Atarax or Vistaril). For people who have significant side effects from those medications, non-sedating antihistamines can be used, including loratadine (Claritin), cetirizine (Zyrtec) and fexofenadine (Allegra). For cases that are even more resistant to treatment, H2 receptor blockers might be added. These include ranitidine (Zantac), nizatidine (Axid), famotidine (Pepcid) or cimetidine (Tagamet). Doxepin (Adapin, Sinequan) is particularly helpful for people having a hard time sleeping at night. When other options fail, corticosteroids may be used.

Regards

Dr DE
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What Causes Welts On Chest And Arm?

Hi Welts on chest and arm may be caused by Inhaled — Pollens, animal dander, molds Injected — Insect stings or bites, especially bee stings, or injected medication Ingested — Foods (tree nuts; fish and shellfish; dairy products; legumes, especially peanuts), food additives, medications such as penicillin or aspirin. You can apply calamine lotion and/or take a nonprescription antihistamine medication, such as chlorpheniramine (Chlor-Trimeton), clemastine (Tavist) or diphenhydramine (Benadryl). It is critical to relieve the itching because scratching can stimulate more hives and itching. If these medications are not effective, you may be given a prescription medication such as cyproheptadine (Periactin), azatadine (Optimine) or hydroxyzine (Atarax or Vistaril). For people who have significant side effects from those medications, non-sedating antihistamines can be used, including loratadine (Claritin), cetirizine (Zyrtec) and fexofenadine (Allegra). For cases that are even more resistant to treatment, H2 receptor blockers might be added. These include ranitidine (Zantac), nizatidine (Axid), famotidine (Pepcid) or cimetidine (Tagamet). Doxepin (Adapin, Sinequan) is particularly helpful for people having a hard time sleeping at night. When other options fail, corticosteroids may be used. Regards Dr DE