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1. www.webmd.com › allergies › skin-allergy-types-triggersSkin Allergies: Types and Triggers - WebMD

   www.webmd.com › allergies › skin-allergy-types-triggers

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   2023年6月6日 · Hives. These are raised, itchy red welts or bumps. Contact dermatitis can trigger them, but allergic reactions to insect bites, medications, and foods can also bring on a reaction. Hives tend to ...

2. www.webmd.com › allergies › skin-allergiesSkin Allergies: Contact Dermatitis Causes, Tests and ...

   www.webmd.com › allergies › skin-allergies

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   2023年9月17日 · The most common causes of skin allergies include: Nickel, a metal used in jewelry and snaps on jeans, makeup, lotions, soaps, and shampoos. Sunscreens and bug sprays. Medications you put on your ...

3. www.webmd.com › pain-management › bladder-painBladder Pain: Common Causes, Treatments, and Tests - WebMD

   www.webmd.com › pain-management › bladder-pain

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   • Function
   • Causes
   • Signs and symptoms
   • Diagnosis
   • Treatment

   The bladder is the hollow organ in the lower abdomen that stores urine. As the bladder fills, muscles in its walls relax so that it can expand. As the bladder empties during urination, the muscles contract to squeeze the urine out through the urethra.

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   Several different bladder problems can cause pain. The three most common causes of bladder pain are interstitial cystitis, urinary tract infection, and bladder cancer. Interstitial cystitis (IC) is a chronic condition in which the bladder becomes inflamed and irritated. The inflammation stiffens the bladder wall, and makes it difficult for the blad...

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   A main symptom of IC is pain, which is strongest when the bladder fills and eases when the bladder empties. Pain may also be felt more generally in the lower back, abdomen, or groin. People with this condition may also urinate more frequently or feel an urgent need to urinate, yet they may only pass a little bit of urine each time. Sexual problems ...

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   Often, a diagnosis of IC is made by ruling out other conditions that cause similar symptoms, such as urinary tract infections, vaginal infections, kidney stones, and cancer. The doctor will take a medical history and perform a physical exam. You may be asked how often you go to the bathroom, if you feel an urgency to go, and when you experience pai...

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   Several treatments may help relieve symptoms of bladder pain and urgency, but finding the one that works for you is often a matter of trial and error. Here are some treatment options:

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4. www.webmd.com › vitamins › aiTHEANINE: Overview, Uses, Side Effects, Precautions, ...

   www.webmd.com › vitamins › ai

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   2023年3月23日 · Theanine might also affect the brain chemicals GABA, dopamine, and serotonin. People use L-theanine to improve mental function. It is also used for anxiety, mental impairment, stress, and other ...