Drug Allergy

Abnormal immune system reaction to any over-the-counter, herbal, or prescription medicine is called drug allergy. Based on how severe the allergic reaction is, it can result in skin rashes, hives, itching, swelling, shortness of breath, and fever, or severe life-threatening complications like anaphylaxis.

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All the answers published in this website are written by Verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

Is there any blood test to diagnose drug allergy?

Query: Hi doctor,I am allergic to NSAIDs. The reaction includes intense swelling of the face and difficulty in breathing. When I had my first baby, I was taken in for an emergency C-section. But due to my allergy, they were unable to administer the drugs they would usually give post-surgery. I was given Pa...  Read Full »


Dr. J N Naidu

Family Physician, General Practitioner

Answer: Hi, Welcome to icliniq.com. You did not mention which NSAIDs (nonsteroidal anti-inflammatory drugs) gave allergic reaction. Chemically NSAIDs may be different. You may be allergic to one group of NSAIDs, not necessarily to other group. Definetely there are alternatives. Feel free to contact for f...  Read Full »

After taking antibiotics for the flu, I got an extreme allergic reaction. Is this normal?

Query: Hi doctor, I recently had the flu that is going round. During it, my GP prescribed me Erythromycin because she thought that I had a bacterial infection in my throat. Whether or not she was right, I suffered an extreme allergic reaction to the antibiotic, which I had used before without side effects....  Read Full »


Dr. Rakesh Kumar Bahunuthula

Cosmetologist, Dermatologist, HIV AIDS Specialist, Venereologist

Answer: Hi, Welcome to icliniq.com. During an episode of the flu, the rash is a very common manifestation.¬†However, at times, it is very tough to differentiate if it is a viral rash or a drug rash because of allergy to the medication. Viral exanthems do follow a pattern in a few cases, and they subside on ...  Read Full »

Why are my lips and gums swollen and paining after applying Orajel?

Query: Hello doctor, The roof of my mouth and my gums around my upper front teeth are swollen for a few days no. I used Orajel, took some OTC pain medicines, rinsed with salt and water, and took a nap. When I woke up a couple of hours later, my lips were super swollen, and my gums are even more inflamed. ...  Read Full »


Dr. Mousam Chattopadhyay

Dentist, Endodontist

Answer: Hello, Welcome to icliniq.com. I was going through your history. It seemed to be gingivitis in the first part, but later it felt that you somehow initiated an allergic reaction. I would advise: Tablet Cetrizine 10 mg (Incidal) one tablet and continue twice a day for two days with or without foo...  Read Full »

What causes dark bluish-black patches on the palm of hands?

Query: Hi doctor, My son is six years old. I have two questions for two patches on his body. 1) For three years, we have seen this patch on his left-hand palm, which appeared dark bluish-black than it is today as it appears in the photo attached, but of the same size, as seen today and then gradually in...  Read Full »


Dr. Jyotisterna Mittal

Dermatologist, Venereologist, HIV AIDS Specialist, Cosmetologist, Family Physician, General Practitioner

Answer: Hi, Welcome to icliniq.com. I have seen the attached images (attachments removed to protect the patient's identity). Both of these could be fixed drug eruptions. It generally occurs when someone is allergic to a particular drug, and it occurs at a fixed place whenever the same drugs are taken and ...  Read Full »

How to treat swollen uvula and dry mouth?

Query: Hello doctor, I have had a swollen uvula for four weeks with a lump neck and dry mouth due to the medication. It is not painful. I have a sore, scratchy throat.  Read Full »


Dr. Mohammad Emranul Islam

Dentist, Oral And Maxillofacial Surgery

Answer: Hello, Welcome to icliniq.com. The uvula is reddish, inflamed, and swelled with the posterior part of the soft palate. You have a dry mouth due to the medication, but please mention what medications you are taking and for what purpose. Do you have any allergies to dust, cold or anything? Do you h...  Read Full »

I have rashes on my neck and chest with fever and joint pain. Does it indicate HIV?

Query: Hi doctor, Initially, I noticed four red rashes on my chest and neck. On the next day, I got another four rashes on my face and after two days, I got rashes on my hand and fingers. I also have mild fever and joint pain. All the symptoms have started after my treatment for herpes from a hospital. Do...  Read Full »


Dr. Atishay Bukharia

Cosmetologist, Dermatologist, Family Physician, General Practitioner, HIV AIDS Specialist, Venereologist

Answer: Hi, Welcome to icliniq.com. Please send a few good quality photographs taken in a natural light to help you better. Revert back with the photos to a HIV AIDS specialist online --> https://www.icliniq.com/ask-a-doctor-online/HIV-AIDS-specialist  Read Full »

Does Abiraterone exposure affect pregnancy?

Query: Hi doctor,I am six weeks pregnant and I might have exposed to a drug called Abiraterone indirectly. I had a patient who takes the medication. I did not handle the medicine directly but I am wondering whether can I get exposed to the medicine indirectly from the patient room. Is it possible to have i...  Read Full »


Dr. Arul Amuthan

Ayurveda Specialist, Naturopathy Specialist, Pharmacologist, Siddha Medicine Specialist, Toxicologist

Answer: Hi, Welcome to icliniq.com. Abiraterone is toxic. It can show toxicity when it enters our blood. When it is consumed orally, only fifty percent of it gets absorbed and the remaining gets excreted without absorption. So if the drug is exposed to the skin, eyes, and nose, the rate of absorption is n...  Read Full »

Will antibiotic allergy cause rashes in the body?

Query: Hello doctor,I have rashes all over the body for the past five days. And the rashes are almost violet. I went to the doctor, and they find that my rashes are due to my antibiotic intake. Kindly help.  Read Full »


Dr. Snehal Laul

Dermatologist, Venereologist

Answer: Hello, Welcome to icliniq.com. Is there itching or excessive scratching and rubbing of the lesion? Did you have any similar episodes in the past? Any known drug reaction or fixed drug eruptions? Do you have a fever, viral exanthem, or painful lesions? Do you experience any systemic symptoms? Pleas...  Read Full »

Can Ovitrelle injection cause skin rashes and bone pain?

Query: Hi doctor, I underwent two IUI procedures, and both failed. But in my second IUI, the doctor gave me five HCG injections from my fifth day to the ninth day. She asked me to come on the tenth day for a checkup and gave me another injection called Ovitrelle 250 mg. The very evening after taking this ...  Read Full »


Dr. Zubayeralam

Family Physician, General Medicine Physician, General Practitioner, Pulmonologist, Internal Medicine Physician

Answer: Hi, Welcome to icliniq.com. Thanks for the query. I can understand your concern. According to your statement, you are suffering from a drug reaction with joint pain. Joint pain may result from allergies. The allergic reaction by drugs can cause joint pain and muscle pain. Even autoimmune diseases...  Read Full »

Can you take Tylenol with Amoxicillin?

Query: Hi doctor, Yesterday, I had my wisdom tooth extracted. I received a prescription for Tylenol 3 (equivalent to Acetaminophen 300 mg and Codeine 30 mg) for pain and Amoxicillin (500 mg) to prevent infection. I immediately took one Amoxicillin as I walked out of the dental office and for the rest of th...  Read Full »


Dr. Pooja Pardhi

General Medicine Physician, General Practitioner, Internal Medicine Physician

Answer: Hi. Welcome to icliniq.com. I have gone through your query and can understand your health concern. The allergic reaction can be due to Amoxicillin only, because Acetaminophen and Codeine will not cause any allergic reaction. I suggest you to stop Amoxicillin. You can use any of the Cephalosporin ins...  Read Full »

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