CAS Number: 7704-34-9
Sulfur 5% to 10% in a petrolatum base is safe for topical use in children, including infants under 2 months of age.[1] This makes it a useful alternative to organic insecticides for treating scabies in nursing mothers; however, the petrolatum base makes undesirable for use on the breast.
It is always a good idea to keep your healthcare provider or doctor informed about your drug usage during pregnancy and breastfeeding but if you have not informed your doctor about Sulfur Ointment and have used it then do not panic as Sulfur Ointment is mostly safe in breastfeeding and should not cause any harm to your baby.
Definitely, Sulfur Ointment is safe in lactation for baby. No wonder your doctor has recommended it.
No extra baby monitoring required while mother is using Sulfur Ointment
US
National Womens Health and Breastfeeding Helpline: 800-994-9662 (TDD 888-220-5446) 9 a.m. and 6 p.m. ET, Monday through Friday
UK
National Breastfeeding Helpline: 0300-100-0212 9.30am to 9.30pm, daily
Association of Breastfeeding Mothers: 0300-330-5453
La Leche League: 0345-120-2918
The Breastfeeding Network supporter line in Bengali and Sylheti: 0300-456-2421
National Childbirth Trust (NCT): 0300-330-0700
Australia
National Breastfeeding Helpline: 1800-686-268 24 hours a day, 7 days a week
Canada
Telehealth Ontario for breastfeeding: 1-866-797-0000 24 hours a day, 7 days a week