Nope homoeopathy medicines do not have any form side effects our medicines are in diluted form so its qualitative dose not quantitative dose. Important factor is not find out why is he having burning during urination is it because of low intake of water or due to heat or due to infection. Need to understand for what purpose your son is taking homoeopathic medicine for which disease and what medication and repetition then only can explain you properly
Next Steps
Can consult with appointment as need to understand in detail
Health Tips
You can check with your homoeopathic doctor too for the same