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Interaction Check

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Selected Drugs Clear All

  • remove Afrin Severe Congestion
    oxymetazoline nasal
  • remove Blisovi 24 Fe
    norethindrone/ ethinyl estradiol
  • remove griseofulvin ultramicrosize
    generic
  • remove Macrodantin
    nitrofurantoin

multicheck MultiCheck Results - 3 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face Blisovi 24 Fe (norethindrone/ ethinyl estradiol) + griseofulvin ultramicrosize (generic)

Avoid/Use Alternative


ethinyl estradiol (contraceptive) + griseofulvin

use additional non-hormonal or alternative contraception during and x28 days after griseofulvin tx: combo may decr. ethinyl estradiol levels, contraceptive efficacy (hepatic metabolism induced)

norethindrone (contraceptive) + griseofulvin

use additional non-hormonal or alternative contraception during and x28 days after griseofulvin tx: combo may decr. norethindrone levels, contraceptive efficacy (hepatic metabolism induced)

Monitor/Modify Tx

Smiley face Smiley face Afrin Severe Congestion (oxymetazoline nasal) + Blisovi 24 Fe (norethindrone/ ethinyl estradiol)

Monitor/Modify Tx


oxymetazoline nasal + ethinyl estradiol (contraceptive)

monitor BP: combo may incr. risk of HTN (additive effects)

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