小活络丸可能会引起一些副作用，包括头痛、恶心、消化不良和皮疹等。长期使用可能导致肝功能异常和肾功能受损。对于正在服用其他药物或有慢性疾病的人士，使用小活络丸前应咨询医生。 Pregnant women and breastfeeding mothers should avoid using this medication due to potential risks to the fetus or infant. In rare cases, severe allergic reactions may occur. If you experience any adverse effects while taking Xiao Huoluo Pills, stop using them and consult a healthcare professional immediately.