1 Dengue fever is a disease caused by a family of viruses that are transmitted by mosquitoes. 2  Symptoms include severe joint and muscle pain, swollen lymph nodes, headache, fever, exhaustion, and rash.3  The presence of fever, rash, and headache (the dengue triad) is characteristic of dengue fever.engue hemorrhagic fever is a more severe form of the viral illness. Symptoms include headache, fever, rash, and evidence of hemorrhage in the body.
While muscle spasms can be painful, relief is available with these seven natural muscle relaxers. Chamomile is an ancient herb thatâs used to treat a variety of ailments, including muscle spasms. It contains 36 flavonoids, which are compounds that have anti-inflammatory properties.
Tizanidine (Zanaflex). A muscle relaxant can reduce stiffness and spasms and may be particularly useful to treat painful night-time spasms. Because its effects last for only 3-6 hours, it can be best used around specific times when relief from symptoms is most important, for example at bedtime.lonazepam is similar but may be particularly effective for night time spasms. Both drugs are 'benzodiazepines' - a type of drug that can be addictive with long-term use, so should not be taken for too long.