Doxycycline - are creamers with milk derivatives be used in coffee while on doxycycline?

What to avoid
Do not take iron supplements, multivitamins, calcium supplements, antacids, or laxatives within 2 hours before or after taking this medicine.

Avoid taking any other antibiotics with doxycycline unless your doctor has told you to.

Avoid exposure to sunlight or tanning beds. This medicine can make you more easily sunburned. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.

Source and more info: https://www.drugs.com/doxycycline.html

https://www.drugs.com/drug-interactions/doxycycline.html