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Doctor insights on: Metronidazole Sulfa Allergy

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How do I know if I have a sulfa allergy?

How do I know if I have a sulfa allergy?

Side effects: Allergy testing by specialist is safest, otherwise, you have to experience rash or anaphylaxis or side effects after taking such a med or it's components. Best to avoid if not sure. You must always weigh risks vs benefits. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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I have a sulfa allergy. Are there any vitamins I should avoid?

I have a sulfa allergy. Are there any vitamins I should avoid?

Check the labels: Also only use high quality pharmaceutical grade supplements and neutraceuticals, as the cheap stuff is from asian countries that don't have FDA oversight. Also, note that celebrex (celecoxib) has a sulfa molecule component and there is cross allergenicity between it and all other sulfa agents that produce allergic reactions. ...Read more

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If one has a sulfa allergy and what would be the medicines to treat this?

If one has a sulfa allergy and what would be the medicines to treat this?

There are none: If you are truly allergic to sulfa you must avoid all forms of the drug whether it be in eye drops, pills or IV meds. There is no med to cancel out the allergy and true allergy could lead to life threatening consequences if exposed. It would be wise to invest in a medical alert bracelet to make sure people are aware if you cannot communicate. ...Read more

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I have a sulfa allergy. Is if safe to take levaquin?

Yes: There's no relationship between sulfa allergy and being allergic to the class of drugs levaquin is in (floroquinilones). Take as prescribed by your doctor. ...Read more

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Drinking vodka and other drinks with sulfa allergy, is this okay?

Drinking vodka and other drinks with sulfa allergy, is this okay?

I don't believe: That vodka contains sulfites - but lots of other types of alcohol do. This could make you ill. ...Read more

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I have taken bactrim (sulfamethoxazole and trimethoprim) many times w/out incident. Am I at risk for stevens johnson each time I take it or only if I have sulfa allergy?

I have taken bactrim (sulfamethoxazole and trimethoprim) many times w/out incident. Am I at risk for stevens johnson each time I take it or only if I have sulfa allergy?

Each time: Everyone is at risk of having sjs from sulfa drugs and other drugs carry that risk too. These reactions are idiosyncratic and are not predictable. ...Read more

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Using cosopt eye drop for glaucoma and have a sulfa allergy. What are some alternatives?

Using cosopt eye drop for glaucoma and have a sulfa allergy. What are some alternatives?

Sulfa, cosopt: Depending on what your target range of pressure is, you could try timolol, alphagan, xalatan, (latanoprost) lumigan, travatan, xioptan, or combigan. Pilocarpine is also available but not nearly as convenient to use. Then there is laser treatment too. Incisional surgery for glaucoma would be for people whose eye pressure is suboptimally controlled despite maximal tolerated medical &/or laser treatment. ...Read more

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I'm using cosopt eye drop for glaucoma and have a sulfa allergy, anything to worry about?

I'm using cosopt eye drop for glaucoma and have a sulfa allergy, anything to worry about?

Unlikely: Studies have shown that having a sulfa structure in a drug rarely causes problem in people with a true sulfa allergy. ...Read more

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Is it safe to use cosopt eye drops for glaucoma if I have a sulfa allergy?

Is it safe to use cosopt eye drops for glaucoma if I have a sulfa allergy?

See below: Cosopt is two eye drop medications in one. One of the two is a sulfa drug. If you have a true allergy to sulfa it may not be a good choice. You must consult your eye care professional first however before making any treatment decisions on your own. ...Read more

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Can someone with bactrim (sulfamethoxazole and trimethoprim) sulfa allergy take doxycycline?

Can someone with bactrim (sulfamethoxazole and trimethoprim) sulfa allergy take doxycycline?

Yes: There should be no interaction between sulfa or an allergy to Bactrim (sulfamethoxazole and trimethoprim) (which contains a sulfa antibiotic - sulfamethoxazole and another component, trimethoprim) and doxycycline. ...Read more

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What is the definition or description of: Metronidazole allergy?

What is the definition or description of: Metronidazole allergy?

Flagyl allergy: Metronidazole (brand name =Flagyl) is an antibiotic medication. For adverse effects see: https://www. Drugs. Com/sfx/metronidazole-side-effects. Html ...Read more

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I have a sulfa allergy and typically have a bad reaction anytime I use any antibiotic ointment. What would be the best for a slightly infected i?

Eye antibiotics: Other than sulfa, antibiotics for eye infection include erythromycin eye ointment and tobramycin eye drops. There should be no cross reaction with your sulfa allergy. ...Read more

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What is the fastest treatment for skin rash resulted from sulfa allergy?

What is the fastest treatment for skin rash resulted from sulfa allergy?

Steroids maybe: Any drug induced rash could develop into something much worse, especially if the drug is continued. 1st step is to stop the drug asap. Sulfa is notorious for being a possible cause of a serious drug rash called stevens johnson syndrome. Call your doctor to get checked for this. Eye problems and serious burn-like rashes are possible. Steroids may be needed. ...Read more

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Sulfa allergy so what antibiotics can I take?

Sulfa allergy so what antibiotics can I take?

What infection: Really depends the type infection/bacteria and location. Different kind of penicillins are usually a good replacemt except in mrsa. ...Read more

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Diabetes. Pen allergy. Cycle of clindamycin post oral surgery. "Probably infected in spots." Prescribed another Clin cycle combo w/ metronidazole. OK?

Diabetes. Pen allergy. Cycle of clindamycin post oral surgery. "Probably infected in spots." Prescribed another Clin cycle combo w/ metronidazole. OK?

Yes: Sometimes it takes more than one round of antibiotics to clear up an infection and this combination usually works well. Good luck! ...Read more

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My daughter was put on bactrim (sulfamethoxazole and trimethoprim) last night for a bladder infection. She has sulfa allergy. Is it ok?

My daughter was put on bactrim (sulfamethoxazole and trimethoprim) last night for a bladder infection. She has sulfa allergy. Is it ok?

Absolutely NOT!!!!: Do not give your daughter bactrim, (sulfamethoxazole and trimethoprim) which is a sulfonamide (sulfa) and could, if she is truly allergic, produce a life-threatening reaction. If she has already taken it and has no reactions, might continue, but if any reactions stop and see the dr. Who prescribed this. ...Read more

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What is the definition or description of: Flagyl allergy?

What is the definition or description of: Flagyl allergy?

Flagyl allergy: Flagyl is an antibiotic medication. Allergic reactions can include difficulty breathing, hives and swelling of face, lips, throat, mouth or tongue. ...Read more

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Is Metranidazole a safe cream to use on face and chest? I've heard & researched many bad effects of this medicine. My doc prescribed it for my allergy

Is Metranidazole a safe cream to use on face and chest? I've heard & researched many bad effects of this medicine. My doc prescribed it for my allergy

No harm, but...: Metronidazole is usually harmless on the skin; follow your doctor's advice. However, there may be some miscommunication: metronidazole is an antibiotic that can help treat acne, rosacea, and skin infections, but is not a treatment for allergy. Check back with your doctor if anything remains unclear. ...Read more

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Can I use doxycycline for diverticulitis? Allergic to sulfa and penicillin and unable to tolerate cipro/flagyl. Have not tried doxycycline.

Can I use doxycycline for diverticulitis? Allergic to sulfa and penicillin and unable to tolerate cipro/flagyl. Have not tried doxycycline.

Yes, one of the opti: But you should also try to find out whether you are allergic or intolerant to Flagyl or Cipro. Seek the help of an allergist since diverticulitis tends to recur. And doxycycline may or may not work the next time. ...Read more

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I was prescribed purbac ds and Flagyl for an infection on 21.12.17 but developed an allergic rxn to the tx. I have only taken 1tablet but symptoms persist, red blotches over my legs as well as on my abdomen. What should I do. Took Texa allergy.?

Call your doctor!: You need to call your doctor who can treat your allergy symptoms and treat your infection. Please do it ASAP (as soon as possible). If you have lip or throat swelling, shortness of breath or anything else scary, please go to the ER right away. ...Read more

Dr. Anthony Sharber
1,009 Doctors shared insights

Metronidazole (Definition)

It's an antibiotic used to treat infections such as bacterial vaginosis or a type of ...Read more


Dr. Anthony Sharber
486 Doctors shared insights

Trikacide (Definition)

Trikacide is an anti-migrane agent which is a kind of ...Read more