本文へスキップ

相互作用

Phenobarbitone + Sapropterin

重症度: 中等度

Phenobarbitone and Sapropterin: moderate interaction.

最終更新日

医療従事者向け・参照専用。このページは簡潔な要約であり、医学的助言ではなく、公式の添付文書や臨床判断に代わるものではありません。処方・調剤の前に必ず確認してください。

このページの臨床コンテンツは英語でのみ提供されています。

概要

Phenobarbital may interfere with folate-dependent pathways that support tetrahydrobiopterin (BH4) availability. This could reduce sapropterin effect and allow blood phenylalanine to rise in patients with phenylketonuria.

この相互作用をわかりやすく説明すると

Phenobarbitone and Sapropterin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Phenobarbitone belongs to Central Nervous System; Sapropterin belongs to Miscellaneous.

エビデンスレベル: Low

なぜ起こるのか

Interference with folate metabolism may lower BH4 availability, though the mechanism is not firmly established for phenobarbital.

対処法

Check blood phenylalanine more frequently after starting or stopping phenobarbital. Adjust the sapropterin dose according to the phenylalanine response.

薬剤師に尋ねること

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+会員向け

ページ全体を見る

アカウントを作成してPro+トライアルを始めると、PhenobarbitoneとSapropterinの臨床対応の詳細なアドバイス、追加の注記、エビデンスの詳細、処方全体を対象とした相互作用チェッカーを利用できます。

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

WebでPro+を14日間無料でお試し。カード登録不要。

よくある質問

Can I take Phenobarbitone with Sapropterin?

MediHelp rates the interaction as moderate. Phenobarbitone and Sapropterin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Phenobarbital may interfere with folate-dependent pathways that support tetrahydrobiopterin (BH4) availability. This could reduce sapropterin effect and allow blood phenylalanine to rise in patients with phenylketonuria.

How serious is the interaction between Phenobarbitone and Sapropterin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check blood phenylalanine more frequently after starting or stopping phenobarbital. Adjust the sapropterin dose according to the phenylalanine response.

What other medicines interact with Sapropterin?

MediHelp also lists interactions of Sapropterin with, for example, Avanafil, Carbidopa-entacapone-levodopa, Carbidopa-levodopa. The full list is on the Sapropterin page.

完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで

MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。

A–Zで探す · 相互作用

アプリを入手 ログイン