What the FDA labels say about taking them together
Alpha-tocopherol, asorbic acid and 11 other ingredients and erythromycin
Alpha-tocopherol, asorbic acid and 11 other ingredients's FDA label of July 2, 2026 names erythromycin in its drug interactions section; the erythromycin labels PlainMeds reads (4) do not name alpha-tocopherol, asorbic acid and 11 other ingredients. The alpha-tocopherol, asorbic acid and 11 other ingredients label: “Effect of multiple vitamins injection (pediatric) on other drugs: Thiamine, riboflavin, pyridoxine, niacinamide, and ascorbic acid decrease activities of erythromycin, kanamycin, streptomycin, doxycycline, and lincomycin”
Check it at the source: the alpha-tocopherol, asorbic acid and 11 other ingredients FDA label on DailyMed (effective July 2, 2026); the erythromycin FDA label on DailyMed (effective August 1, 2024, Teva Pharmaceuticals USA, Inc.).
What does the alpha-tocopherol, asorbic acid and 11 other ingredients label say about erythromycin?
Alpha-tocopherol, asorbic acid and 11 other ingredients label, drug interactionsEffect of multiple vitamins injection (pediatric) on other drugs: Thiamine, riboflavin, pyridoxine, niacinamide, and ascorbic acid decrease activities of erythromycin, kanamycin, streptomycin, doxycycline, and lincomycin
Source: FDA drug label (Multiple Vitamins (Pediatric) Pharmacy Bulk Package), Apotex Corp, effective July 2, 2026 (SPL set d9b6eb9a-4218-5c94-6e35-7cbbf0fba494), via openFDA; the full label on DailyMed
What does the erythromycin label say about alpha-tocopherol, asorbic acid and 11 other ingredients?
Erythromycin's label (effective August 1, 2024) and its 3 other brand-application labels do not name alpha-tocopherol, asorbic acid and 11 other ingredients in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Erythromycin), Teva Pharmaceuticals USA, Inc., effective August 1, 2024 (SPL set 75a0bd5a-d09f-483b-bfd8-f8343b149eb2), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Alpha-tocopherol, asorbic acid and 11 other ingredients | Erythromycin | |
|---|---|---|
| Labeled for | n/a | Bacterial infections, Acne |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | $1.96 per tablet 250 mg tablet |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once