Rexin

No, Rexin does not cause weight fluctuations (weight gain or weight loss). It has not been reported by the patients who are taking this drug. However, if you are experiencing unusual weight gain or weight loss and you are in doubt that Rexin is causing weight fluctuations then you are advised to discuss it with your doctor. 

Rexin contains cefalexin which is a broad-spectrum antibiotic. It works by preventing the cell wall synthesis in bacteria by binding to specific proteins (penicillin-binding proteins). The cell wall protects the bacteria from the environment, in the absence of this cell wall, the bacteria becomes vulnerable and dies. Rexin is effective against a wide range of both gram negative and gram positive bacteria such as Escherichia coli, Haemophilus influenzae, Moraxella catarrhalis, Streptococcus pyogenes, Staphylococcus aureus, Staphylococcus pneumoniae, Proteus mirabilis, and Klebsiella pneumoniae.

Rexin is a prescription drug and an antibiotic, hence do not take this drug without consulting doctor to avoid bacterial resistance and unpleasant side effects. It can be harmful for patients to take this medicine without the doctor's advice.

Yes, Rexin causes nausea and vomiting in a few cases only. It is a rare side effect of this drug. For relief from nausea and vomiting, you are advised to take lime water, avoid eating spicy food even if it persists or becomes severe then discuss with your doctor.

Yes, Rexin can treat uncomplicated urinary tract infections (infection of the urinary system caused by bacteria Escherichia coli or Klebsiella pneumoniae). It works by preventing the cell wall synthesis in bacteria by binding to specific proteins (penicillin-binding proteins). The cell wall protects the bacteria from the environment, in the absence of this cell wall, the bacteria becomes vulnerable and dies.