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Yes, fasting on isotretinoin is possible—take each dose with a meal after sunset, hydrate overnight, and clear the plan with your doctor.

Yes, fasting with irregular periods can be done cautiously when you’re healthy, well-nourished, and cleared by a clinician.

Yes, some mothers can fast while breastfeeding, but long or dehydrating fasts risk supply—prioritize fluids, calories, and baby’s growth.

Yes, fasting before a dental visit is usually fine, but not when sedation or diabetes care requires food—follow your dentist’s instructions.

Yes, fasting with a light menstrual flow can be safe for healthy adults when you plan fluids, fuel, and rest.

Yes, some people with mild anemia may fast with a clinician’s OK; severe anemia or pregnancy calls for avoiding fasting.

No—when you’re spotting, pause fasting until a clinician checks the cause, especially with pain, pregnancy, or heavy flow.

Yes, fasting with diabetes can be safe for some people when risks are checked, a plan is set, and clear break-the-fast rules are followed.

Yes, fasting from 3 PM to 7 AM is a 14-hour fast that can work if meals, hydration, and meds are planned around that window.