Syphilis injections of benzylpenicillin can produce side effects such as allergic reactions, secondary infections, and gihai reactions.
1. Allergic reaction: penicillin causes allergic reaction, benzylpenicillin can appear. Such as rash, urticaria, erythema multiforme, exfoliative dermatitis, leukopenia, interstitial nephritis, asthma, etc., and in severe cases, anaphylactic shock can occur.
2. Dual infection: Benzathine penicillin can appear gram-negative bacilli, penicillin-resistant S. aureus, Candida dual infection, resulting in diarrhea, stomatitis, lingual inflammation and other symptoms.
3. Yoshikazai reaction: due to the bactericidal effect on pathogens, there may be Yoshikazai reaction, persistent headache, fever, muscle pain, sweating, arthralgia, tachycardia, tremor and other symptoms within 2~12 hours of drug administration. Generally disappear after 10~12.
4. Other: pain at the injection site, foreign body granuloma at the injection site and so on.
Syphilis injection benzylpenicillin must be used under the guidance of a doctor, not private abuse, so as not to cause adverse reactions to the body.