I'm a 21 year old male. I dip about a tin a day. I take doxycycline. All day I walk around feeling very faint. I've had a lot of bloodwork done and heart examinations and they've all come back normal. I also have trouble concentrating. Could it be the excessive amount of nicotine that makes me feel like I'm going to pass out when I walk around?
- Doxycycline Information for Consumers
- Doxycycline Information for Healthcare Professionals (includes dosage details)
- Side Effects of Doxycycline (detailed)
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