Ashtangasamgraha 2.139

2.139

jvarakālasmṛtiṃ cāsya hāribhirviṣayairharet |

tyajedābalalābhācca vyāyāmasnānamaithunam ||

vidadhyācchāgalaṃ mūtraṃ snānābhyaṅgau ca varjayet ||

And one should divert his memory of the time of fever with captivating objects of the senses; / and until regaining strength, he should avoid exercise, bathing, and sexual intercourse; / one should administer goat's urine, and avoid bathing and inunction.