Tsawar asthma
Tsawar asthma shine haifar da harin asma ta yanayin muhalli wanda hadari na gida ya haifar kai tsaye. An ba da shawarar cewa a lokacin tsawa, ƙwayar pollen na iya ɗaukar danshi sannan kuma ya fashe cikin ɓangarorin da yawa tare da waɗannan guntuwar da iska ke watsawa cikin sauƙi.   Yayin da mafi yawan hatsin pollen yawanci gashi a cikin hanci ke tace su, ƙananan guntun pollen suna iya wucewa su shiga cikin huhu, suna haifar da harin asma.

Tarihi 
An dai yi taho-mu-gama da tsawa ta haifar da kai hare-haren asma a garuruwan da jami'an agajin gaggawa da asibitoci suka mamaye. An gane abin da ya faru na wani lokaci mai mahimmanci tare da nazarin wani taron a Birmingham, Ingila, lura da alaƙa tsakanin tsawa da kuma asibitoci.  Wannan gaskiyar cewa waɗannan ba ware abubuwan da suka faru ba kuma sun kasance wani ɓangare na tsarin abubuwan da ke gudana ana rubuce a fili a cikin bita na "Thunderstorm asthma, bayyani na tushen shaida".  Muhimmiyar ƙarfafawa a cikin nazarin abin da ya faru ya faru ne bayan wani abu a cikin shekarata 2016 a Melbourne, Ostiraliya. Tun daga wannan lokacin ne aka kara samun rahotannin tsawa da iska mai karfi a Wagga Wagga, Australia; London, Ingila; Naples, Italiya;  Atlanta, Amurka;  da Ahvaz, Iran.  Barkewar cutar a Melbourne, a watan Nuwamban shekarar 2016, wanda ya mamaye tsarin motar daukar marasa lafiya da wasu asibitocin gida, ya yi sanadiyar mutuwar akalla tara.      An yi irin wannan lamarin a Kuwait a farkon Disamba, 2016 shekarata tare da mutuwar aƙalla 5 tare da shigar da yawa a ICU.

Kididdiga 
Yawancin waɗanda abin ya shafa a lokacin fashewar asma na iya yiwuwa ba su taɓa fuskantar harin asma ba a baya. 

An gano kashi 95 cikin 100 na mutanen da tsawar asma ta shafa suna da tarihin hayfever, kuma kashi 96 cikin 100 na waɗancan mutanen sun gwada ingancin cutar ciwon ciyawa, musamman ciyawa.  Ƙwayar ƙwayar ciyawar hatsin rai na iya ɗaukar ƙananan sitaci cikin 700 ƙananan granules, auna 0.6 zuwa 2.5 μm, ƙananan isa zuwa ƙananan hanyoyin iska a cikin huhu.

Rigakafi 
Ya kamata a gwada marasa lafiya da tarihin ciwon ciyawa don kuma a bi da su din neman maganin asma idan kuma suna. Ya kamata a yi wa marasa lafiya da aka sani da asma magani tare da yi musu nasiha kan mahimmancin bin ka'idojin magunguna na rigakafi.  Maganin rigakafin da aka samo da amfani ga asma mai tsanani ya haɗa da Allergen immunotherapy (AIT) musamman immunotherapy sublingual (SLIT).

Muhimman abubuwan da suka faru 

 6 July 1983 (1983-07-06) – 7 July 1983 (1983-07-07): Birmingham, England
 8 November 1987 (1987-11-08): Melbourne, Australia
 29 November 1989 (1989-11-29) – 30 November 1989 (1989-11-30): Melbourne, Australia
 24 July 1994 (1994-07-24) – 25 July 1994 (1994-07-25): London, England
 30 October 1997 (1997-10-30): Wagga Wagga, Australia
 4 June 2004 (2004-06-04): Naples, Italy
 25 November 2010 (2010-11-25): Melbourne, Australia
 2 November 2013 (2013-11-02): Ahvaz, Iran
 21 November 2016 (2016-11-21): Melbourne, Australia
 1 December 2016 (2016-12-01): Kuwait and Riyadh, Saudi Arabia

Manazarta 

Tarihi
Rigakafi
Kididdiga
Tsawa