Some older, sedating antihistamines may dry and thicken post-nasal secretions more; newer non-drowsy antihistamines do not have this effect.
The following positions were shown to be the most comfortable for people with back pain, based on a published in 2015.
ثم اضطررت إلى الانتظار خمسة أو ستة أشهر لمعرفة ما إذا كان لها أي تأثير.