Compound Lactobacillus acidophilus exactly how long to see the effect varies from person to person, and the condition and the sensitivity to the drug is related, usually take the drug for 3 to 7 days to see the effect. Lactobacillus acidophilus is a kind of intestinal flora regulation of drugs, in general, if the patient’s condition is not serious, after taking the drug about 3 to 7 days, the symptoms have obvious improvement. If the patient’s condition is more serious, or the sensitivity to the drug is not high, there may be no significant improvement after taking the drug for 3 to 7 days, and the drug needs to be stopped to take other drugs if necessary. Compound acidophilus medicine by the doctor’s guidance of the drug, do not take the drug, if the allergic body, the drug may be allergic reactions, in addition, taking the drug for 7 consecutive days if the symptoms are still not relieved, the need to stop the drug and consult a doctor in a timely manner.