Biaxin and heart

Same thing here. I have a sinus infection and pharyngitis that just wouldn't go away for 3 weeks. I was prescribed the generic version (Clarithromycin) 500Mg twice daily. The antibiotic does seem to work. I have had a bitter taste from it almost from the beginning. I took the fourth dose on an empty stomach in the morning with little fluid and 10 minutes later started to eat. 20 minutes after taking the antibiotic I had experienced an uncharacteristically severe panic attack. My heart just instantly started racing, confusion set in. The whole time while I am taking it I have difficulty breathing which eases off as dose wears out. Luckily for me I had some lorazepam laying around which I took to suppress this reaction. I skipped my 5th dose in the evening but my infection is still an issue. Now I am unsure whether to continue taking it or not. I am about to see my ENT today so I think I will not be taking it until I see him.

I am on biaxin xl...2-500mg once a day. started it today and have nasty taste in my mouth, feel like my heart is pounding, mild headache, anxiety, increased salivation, increased urination....this sucks

I had been diagnosed with strep throat, i could see a lot of white spots covering my tonsils and it was hard to swallow. Doctor said rapid strep test came back weak positive but that he would still give me antibiotic. I've been on Biaxin for 3 days now. I never have heartburn, but i am experiencing it now. Diarrhea. Dry sore throat making it hard to swallow. A ton of pressure in my ears. Also, i woke up this morning and my heart was racing a mile a minute and it felt like someone was sitting on my chest making it hard to breathe. I thought i was just being stupid to look on the internet to see if an antibiotic could cause these kind of side effects. This is ridiculous!! You feel bad and have an infection, go to the doctor to get an antibiotic and then you end up feeling even crappier!!!

I was glad to read this, I thought I was crazy. Been taking Biaxin for 3 days for a bad sinus/throat infection, BP today went up to 130/100, took my blood pressure meds (which I had been able to stop taking several months ago) but it just went up on the top to 150/98. My heart is racing and I'm so tired but can't sleep. Severe metallic taste in my mouth. Skin is burning, temperature is 100 and profuse sweating as mentioned above...I'm calling the Dr. now to get something else. Does anyone know how long it takes to get this out of your system?

I have a sinus infection, and my doc gave me biaxin. My first dose didn't affect me, I went to bed as soon as I got home from the urgent care center, I slept well into the afternoon. When it came time to rest, I went to bed at midnight, laid there restlessly, with a very sore throat even more sore than I began with. I grabbed a throat lozenge, fell asleep for 30-45 min, weird dream but I can't remember it well. I woke up with a sore dry throat again, not even tired, frustrated, I decided to take my meds again, not having checked this website first!!! D: now my heart is racing, I'm wide awake, its 4:45 in the morning. I am crying on and off. The pain in my throat has subsided, its still scratchy, and my lymph nodes are very swollen. I can't breathe through my nose and it feels like there is still drainage in the back of my throat. I have no appetite either, I force my self to eat b/c I get stomach pains. I am wondering if I should hold off the biaxin for a couple of days and see if I improve.. because I feel like I'm simply getting worse.

Stomach discomfort (bloating), indigestion even after taking it with food, Heart racing, irritable, nervousness, headache, Thank god you all have written in. I found myself a little short of breath but come to find out that it is the biaxin. I think the bronchitis by itself would have gone away faster without the biaxin.

The most frightening side effects I have ever had from a med. Biaxin XL for severe sinus infection. Stomach very sick,headache,muscle aches, increase in blood pressure. The scariest of all, profuse sweating started on 4th day. I cant seem to do anything without sweating.I also take beta blocker for arrythmia.
So at first I thought it was heart related. Pharmacist
tells me Biaxin Xl is very very potent and has more side effects than we know.It can raise bp and cause severe sweating and hundreds of other things. I am stopping today with or without Dr.'s approval. Supposed to take another 5 days. Insane

I am on Biaxin right now. I also am experiencing a vibration feeling over the heart for a couple of seconds every so often.
I have also had headaches and some digestive problems.

Otherwise healthy person. Was on Biaxin XL 1000mg once a day for 10 days for sinus infection. Had 2-3 second long vibration feeling over heart every 4-5 minutes after about 3 days of drug and continued until 2 days after 10 day course completed. Had diarrhea and weird taste in mouth. Now (10 days after Biaxin course was completed) have fatigue, low WBC for no apparent reason. Not sure if related.