How many days can you quit breastfeeding before you have no milk at all?

It usually takes about 7 days to quit breastfeeding to be able to completely run out of milk, but the specific situation may vary from individual to individual.
The speed of milk return after quitting breastfeeding may vary slightly due to individual differences. Most breastfeeding women can completely return to milk in about 7 days after quitting breastfeeding, i.e., no milk production at all.
When quitting breastfeeding, you should gradually reduce the number of feedings, shorten the feeding time, and try to avoid stimulation of the breasts to reduce the amount of lactogen secretion, and at the same time, with a light diet, it usually takes about a week, the secretion of their breast milk will gradually reduce to no milk at all, and the actual time may vary depending on the individual.
The actual time may vary from individual to individual. If you experience any discomfort during breastfeeding cessation, you should go to the hospital as soon as possible and have your doctor formulate an individualized treatment plan according to your specific situation.